MS. LYDIA ARISSA HARTMAN CNM
NPI 1649534777
Advanced Practice Midwife in Kalamazoo, MI
About Ms. Lydia Arissa Hartman Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. LYDIA ARISSA HARTMAN CNM (NPI 1649534777) is an individual advanced practice midwife in Kalamazoo, Michigan, licensed in Michigan (4704203535) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and maintains a secondary practice location in Kalamazoo.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Lydia Arissa Hartman Cnm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Lydia Hartman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
Battle Creek, MI 49017
- Reassigned Medicare billing, Michigan enrollment
- 557 clinicians in this Medicare group
South Haven, MI 49090
- Reassigned Medicare billing, Michigan enrollment
- 190 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bronson Methodist Hospital
Acute Care Hospitals · Kalamazoo, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49007 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
KALAMAZOO, MI 49007
KALAMAZOO, MI 49007
KALAMAZOO, MI 49007
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lydia Hartman's NPI number?
The NPI number for Lydia Hartman is 1649534777. It was assigned to this individual provider in the NPPES registry on July 3, 2012.
Where is Lydia Hartman located?
Lydia Hartman practices at 601 John St Ste N1200, Kalamazoo, MI 49007. The listed phone number is (269) 341-7979.
What is Lydia Hartman's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Lydia Hartman enrolled in Medicare?
Yes. Lydia Hartman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Lydia Hartman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Hartman reassigns Medicare benefits to 3 organizations: Bronson Methodist Hospital (Kalamazoo, MI), Bronson Battle Creek Hospital (Battle Creek, MI) and Bronson South Haven Hospital (South Haven, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lydia Hartman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lydia Hartman accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Lydia Hartman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Lydia Hartman affiliated with any hospitals?
According to CMS data, Lydia Hartman is affiliated with Bronson Methodist Hospital.
When was this NPI record last updated?
The NPPES record for Lydia Hartman was last updated on December 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Lydia Arissa Hartman, CNM · NPI 1649534777
Advanced Practice Midwife physician in Kalamazoo, Michigan. Individual provider, active in the CMS NPPES registry since July 3, 2012.
## Identity
- **NPI:** 1649534777 (Entity type: Individual)
- **Enumerated:** July 3, 2012
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** 4704203535 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 601 JOHN ST STE N1200, Kalamazoo, MI 49007-5318
- **Phone:** (269) 341-7979
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Bronson Methodist Hospital (NPI 1417961137, Kalamazoo, MI); Bronson Battle Creek Hospital (NPI 1093119638, Battle Creek, MI); Bronson South Haven Hospital (NPI 1174749170, South Haven, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** December 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1649534777) · Data from the CMS NPPES public registry.